Questions of Rights management CALS

I need a little help sheding some light on RMS CALS.  Are these licenses concurrent connections only or does a user get a license assigned to them permenently when they access a RMS protect file.  My company is looking to start using RMS on sharepoint and Im not sure how many licenses to purchase.  We have 150 employees but only a few people at a time will be accessing these files.  Thanks
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Andres PeralesCommented:
That link should answer all your questions, for a solid answer get with you Licensing rep.
CFT-TNAuthor Commented:
I've already read that.  I've read everything on the net that I could find about RMS.  Basically what Im trying to find out is if I have 150 AD users do I need 150 RMS Cals.  Are the Cals used on a per session basis and get put back into the database after a user logs out of Share Point.  Or does the user get the CAL assigned to them permenetly.  I thought I would try here first before calling ingram micro.  
Andres PeralesCommented:
you will need one for each user, this will cover the user no matter what type of device they use.  If you get per device, the license is limited to that one device.  So if you have mobile devices or users that travel and access your sharepoint from other systems the per user is the way to go!

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